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Finding the Fourth Proportional to 570,526.29, 785,737.89 and 440,987.54

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Solution

The fourth proportional to 570,526.29, 785,737.89 and 440,987.54 is: 607,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,526.29 : 785,737.89 = 440,987.54 : x
  2. Step 2: Convert to fraction form
    570,526.29/785,737.89 = 440,987.54/x
  3. Step 3: Cross multiply
    570,526.29x = 785,737.89 × 440,987.54
  4. Step 4: Simplify right side
    570,526.29x = 346,500,615,267.20
  5. Step 5: Solve for x
    x = 346,500,615,267.20/570,526.29
  6. Step 6: Final answer
    x = 607,335.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.